Fully sealed constant pressure underwater camera

Abstract

The invention discloses a fully sealed constant pressure underwater camera comprising a housing assembly, a camera assembly and a constant pressure adjustment assembly. The fully sealed constant pressure underwater camera adopts a mode of encapsulating the whole camera assembly and dry inert gas inside the housing assembly, the aging of an instrument can be effectively slowed down, the life of a camera is prolonged, and at the same time, the problems of a low adjustment speed and large energy consumption caused by water damping can be avoided. The constant pressure adjustment assembly can keepthe internal and external pressures of the housing assembly to be consistent with the increase of a diving depth, and the overall pressure resistance ability can be improved. The fully sealed constant pressure underwater camera is not limited by a video transmission control line and can be fixedly installed in different positions of an underwater vehicle or an underwater robot, the independence of the underwater camera is greatly enhanced, the underwater camera has better use flexibility, the application range is greatly extended, the number of times of posture adjustments of the underwater vehicles or the underwater robot can be greatly reduced, and the energy saving is achieved.

Description

technical field [0001] The invention relates to an underwater camera, in particular to a fully sealed constant-pressure underwater camera that can be used in deep water, shallow water or ground environments, and belongs to the technical field of underwater cameras. Background technique [0002] Underwater camera systems usually include underwater cameras, video transmission control lines, control boxes, auxiliary control equipment, etc., and are mainly used in underwater fields such as petroleum, deep water exploration, underwater operations, and marine fisheries. They are mainly used for measurement, monitoring, Exploration and more. [0003] As the core component of the underwater camera system, the underwater camera's waterproof performance and water pressure resistance are the prerequisites to ensure that the underwater camera can work stably underwater. Existing underwater cameras all adopt the mode of adding a sealed pressure-resistant casing outside the camera to be ...

AI Technical Summary

Problems solved by technology

The design of the sealed and pressure-resistant shell of the underwater camera is usually based on the requirements of high pressure resistance, comprehensive cost performance, corrosion resistance and other factors. Therefore, the most common underwater camera is the gun camera with a cylindrical structure. It is well sealed and stable, but the gun-type structure greatly reduces the observer's field of vision. If you need to change the viewing angle when using underwater, you must change the posture of the submersible or underwater robot. A large amount of energy for underwater robots to adjust attitude

In the prior art, there is also an underwater camera with a spherical structure. This camera is usually sealed separately from the lens drive device and the lens. Although the underwater camera with this spherical structure has a wider field of view, on the one hand, once installed in a diving It is difficult to change the position on the device or underwater robot, and there are still problems of inconvenient use. On the other hand, when adjusting the viewing angle in underwater use, there are problems such as slow adjustment speed and energy consumption caused by water damping.

In addition, the existing underwater cameras resist water pressure only by sealing the pressure-resistant casing, that is to say, when used underwater, although the external pressure of the sealed pressure-resistant casing increases, the inside of the sealed pressure-resistant casing is still at normal pressure. , which causes the applicable water depth range of the underwater camera to be limited. If it exceeds the applicable range, the sealed pressure-resistant shell will be damaged, and the underwater camera will be damaged due to water seepage.

Moreover, most of the existing underwater cameras are limited by the video transmission control line, and the flexibility of use is relatively poor.

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